package leetcode.D200.T144;

import util.ListUtil;
import util.TreeNode;
import util.TreeUtil;

import java.util.List;

/**
 * @File Info: leetcode -- <E144>
 * @Author: 18362
 * @Create: 2022-03-15 21:33:27 星期二
 */
public class E144 {
    public static void main(String[] args) {
        TreeNode root = TreeUtil.deserialize("[1,null,2,3]");
        List<Integer> result = new Solution().preorderTraversal(root);
        ListUtil.printIntList(result);
    }
}
